Griddle.



R. 0. BINGHAM.

GRIDDLE. APPLICATION FILED MAY 12, 1915.

1,201,138. Pateted 0ct.10,1916.

UNITED STATES PATENT OFFICE.

OHIO, ASSIGNOR TO THE WAGNER MANUFACTURING ROBERT o. BINGHAM, or snmEY,

COMPANY, F sIDNEY, oHIo, A CORPORATION or euro.

. GRIDDLE 1,201,138, specifieation'of Letters Patent. i Patented Oct. 10, 1916.

Application filed May 12, 1915. Serial No. 27,537.

of Sidney, county of Shelby, and State of thermore provided with a series of elongated l Ohio, haveinvented a new and useful Imapertures v5 uniformly distributed through- 60 provement in Griddles, of which the followout ts length save at the point of attaching is a specification, the principle of the ment of the handle 2 to the plate, as shown invention being-herein explained and the in Fig. 2. best mode vin which Ihave contemplated ap- The under side of the plate is provided plyingthat principle, so as to distinguish it with a plurality of spiral ribs 6, radiat- 65. from other inventions. lng from a central point 7 on such'bottom, The present improved cooking utensil or to the flange 4 with which the outer ends of griddle, designed primarily for baking the vribs merge. Such ribs, together with cakes, has the usual smooth top surface with the fiange, it will accordingly be seen, define this object in view, the improvements resida series of spaces 8 having the form of spiral ing principally in the construction of the sectors, one or more of the ape'rtures 5 in the under surface and of the lateral edge of the fiange opening into each such space.` Thus, riddle, whereby a uniform distribution of save'for the two spaces adjoining the point eat to all portions of such surface is seof attachment of the handle, two apertures 20 cured, by creating a proper circulation of open intoeach one, as shown in Fig. 2. It the heated gases which ordinarily constitute will be understood that the lower edges of the heating medium. Particularly where a the ribs 6 and flange 4 lie in substantially gas or oil burner is used as the source of the same plane and that such plane is parheat, a slight draft or current of air will allel with plate 1. 25 tend to disturb the flame sufiiciently to pre- As a result of the foregoing construction ventproper heating of thecooking surface and particularly .of the sub-division of the of the utensil, and the constructionl of the circular space, laterally inclosed by the vlatter has accordingly been designed withfiange, by means of the spiral ribs, itwill be particular reference to meeting this and observed'that the heatedgases, if they strike v 30 similar conditions. the bottom'of the plate at all centrally, will To the accomplishment of the foregoing be diverted in radiating directions from such and related ends, the invention, then, concenter. Such diversion is not only produced sists of means hereinafter described and parby the ribs, but is faclitated by the slopng ticularly pointed out in the` claim. conformation of the fiange, so that the aper- I., In said annexed drawing: Figure 1 is a tures therein which communicate wth the top perspective view of my improved utenspaces between such ribs, respectvely, consil; Fig. 2 is a bottom perspective view of stitute, in effect, draft openings through the same, and Fig. 3 is a central vertical secwhich the heated gases can rse upwardly. tion thereof taken on the plane indicated by. This same form of flange brngs the gases, as to the line 3 3, Fig. 2. they finally pass away from the utensl, nto The utensil, which may be constructed of close proximty to the cookng surface all aluminum or any other suitable metal or around its edge, and nthus nsures the thormaterial, comprises essentially a flat plate ough and complete heatng of such surface 1, the upper smooth face of which constithroughout ts entre extent'l Only a very 45 tutes the-cooking or baking surface, when considerable current of ar such as wll not such plate is located over a suitable source ordnarily be encountered, will affect this -of heat. Laterally projecting' from the plate action of the rbs in properly dvertng and at a suitable angle is a handle 2 of usual distrbutng the` flow of heatedgases strkform and construction attached to such ing the u ndersde of the utensil. 50 plate in any suitable way. I The spral r1bs, 1n addton to servn the The plate is formed with a shallow'upimportant function above descrbe of turned rim 3-l aboit its periphery, which course gve.add1t1onal strength to the bot'- merges into a down-turned flange 4 of appretom of the plate and prevent warpng of the ciable depth, likewise extending about the latter,. Such ribs being fiush with the fiange, entire periphery. This flange is inclined come n contact wth any plane, levelsur- Tov all wm z't may concern: Be it known that I, ROBERT O.` BINGHAM, a citizen of the United States, and a resident outwardly to the Fig; 3),

so as to have a larger diameter at ts lower than at its upper edge, and is furplane Vof the plate (see my invention may Q face, and 'thus-not only assist in supporting the utensl on the top of an ordinary stove,

but are also adapted to contact With a surface ofthe kind usually found in electric heaters, and thus adapt the utensl for use with the latter'aswell as with a gas, gasolene, oil, Wood or coal stove.

Other modes of applying the principl'eof be employed instead of the one explained, change being made as regards the mechanism herein disclosed, provided the means stated by the following claim or the equivalent of such stated .means be employed.

I therefore particularly point out and disi' tinctly claim as my invent1on:- l v An appliance of the character described, compri'sing an approximately Circular aluminum plate'having upturned rim` peripherally ;hounding such morales -sloping downwardly, v

merging at their outer ends with said fiange' sectorlike spaces, each such With one.or more of flange substantially -as so as to define space communicating the apertur'es' in said described and shown. -S'gned by me,.this

10 day of May, 191 5.

BERT o. BINGHAM. 

